Pape, SebastianTasche, DanielBastys, IuliaGrosz, AkosLaessig, JoergRannenberg, KaiLangweg, HannoMeier, MichaelWitt, Bernhard C.Reinhardt, Delphine2018-03-222018-03-222018978-3-88579-675-6https://dl.gi.de/handle/20.500.12116/16274In this paper we apply privacy by design in e-commerce. We outline the requirements of a privacy-aware online shopping platform that satisfies the principle of data minimization and we suggest several architectures for building such a platform. We then compare them according to four dimensions: privacy threats, transparency, usability and compatibility with existing business models. Based on the comparison, we aim to build the selected platform in the next step.enprivacy by designpseudonymitydata minimisationonline shoppinge-commerceText/Conference Paper10.18420/sicherheit2018_011617-5468